Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 9

Waning Gibbous 49%

03:54

10:15

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:30, Set: 20:01, Transit: 13:17. Moon - Rise: 03:54, Set: 10:15. Civil Dark: 20:35 - 05:56. Nautical Dark: 21:16 - 05:14. Astro Dark: 22:02 - 04:29

Total Clouds (% Sky Obscured)

77
82
86
85
70
49
93
76
96
100
100
82
100
100
100
100
100
100
100
100
100
85
100
100

Low Clouds (% Sky Obscured)

45
82
82
59
58
49
34
33
59
49
48
46
51
31
22
0
0
3
10
5
4
0
5
0

Medium Clouds (% Sky Obscured)

77
82
74
72
45
2
2
2
0
0
4
0
0
16
75
92
100
97
100
100
99
85
100
82

High Clouds (% Sky Obscured)

77
82
85
85
70
49
93
76
96
100
100
82
100
100
100
100
100
100
100
94
100
65
66
67

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
1
0
0
0
3
1
11
1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
12
14
22
23
26
25
25
22
17
14
10
9
7
8
7
7
9
8
6
3
3
2
6

Chance of Frost

Temperature (°C)

11
11
12
12
11
11
10
9
8
8
6
6
6
5
5
5
4
5
5
5
5
4
5
6

Feels Like (°C)

8
7
7
7
5
4
3
3
3
2
2
3
2
2
2
1
1
1
2
3
2
1
2
3

Dew Point (°C)

6
9
10
8
5
5
5
5
4
3
2
2
2
1
-0
-0
-1
-1
0
0
-0
-1
-1
-1

Relative Humidity (%)

71
85
90
79
69
67
71
73
73
74
71
75
75
72
70
71
69
68
68
68
70
71
68
64

Pressure (mb)

1021
1021
1021
1021
1022
1022
1022
1022
1023
1023
1024
1025
1026
1026
1026
1026
1025
1025
1024
1024
1024
1023
1023
1023

Ozone (du)

351
351
350
352
354
359
361
358
356
357
356
356
354
353
352
350
348
346
346
345
344
344
345
345

Friday 10

Third Quarter 39%

04:20

11:23

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:28, Set: 20:02, Transit: 13:16. Moon - Rise: 04:20, Set: 11:23. Civil Dark: 20:36 - 05:54. Nautical Dark: 21:18 - 05:12. Astro Dark: 22:04 - 04:26

Total Clouds (% Sky Obscured)

96
100
100
100
100
100
100
100
100
100
100
100
100
81
100
100
100
100
99
47
57
53
63
54

Low Clouds (% Sky Obscured)

33
47
65
71
54
40
5
0
0
0
0
53
47
62
100
100
100
82
85
18
34
33
50
38

Medium Clouds (% Sky Obscured)

77
89
100
100
100
100
100
100
100
60
54
52
62
74
74
75
75
83
96
0
0
0
0
13

High Clouds (% Sky Obscured)

66
100
100
100
100
100
100
100
100
100
100
100
100
53
52
62
68
96
61
4
26
9
1
0

ISS Passover

Visibility (miles)

9
9
6
9
7
9
9
9
9
9
9
9
9
9
9
9
8
0
0
9
4
0
0
4

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
47
62
52
0
0
0
0
0
0

Precipitation Type

None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
None
Light Rain
Snow
None
Sleet

Precipitation Probability (%)

19
48
51
53
41
14
15
3
0
0
0
0
2
13
52
95
95
95
77
46
82
68
39
53

Precipitation Amount (mm)

0
0.3
0.2
0.3
0
0
0
0
0
0
0
0
0
0
0
0.8
1
1
0.4
0
0.8
0.5
0
0.2

Wind Speed/Direction (mph)

7
12
14
15
13
13
16
15
15
14
15
14
13
13
14
14
16
18
13
16
15
16
16
19

Chance of Frost

Temperature (°C)

6
8
8
8
7
8
7
8
8
8
8
8
8
9
9
8
9
9
7
7
5
4
4
5

Feels Like (°C)

2
3
5
5
3
3
2
2
3
3
4
4
4
5
4
2
3
3
3
3
2
-3
-1
-1

Dew Point (°C)

-1
2
6
6
5
6
5
5
4
5
5
6
7
8
8
7
8
8
7
6
4
3
4
4

Relative Humidity (%)

63
68
84
87
85
87
82
81
79
79
84
87
90
95
95
91
95
98
98
93
94
96
96
93

Pressure (mb)

1022
1022
1021
1020
1019
1017
1015
1014
1013
1011
1010
1009
1008
1007
1006
1004
1003
1002
1002
1003
1003
1004
1005
1006

Ozone (du)

345
345
344
343
342
341
340
341
342
346
345
345
346
346
346
347
348
351
354
361
367
374
379
385

Saturday 11

Waning Crescent 30%

04:41

12:38

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:26, Set: 20:04, Transit: 13:16. Moon - Rise: 04:41, Set: 12:38. Civil Dark: 20:38 - 05:52. Nautical Dark: 21:20 - 05:10. Astro Dark: 22:06 - 04:23

Total Clouds (% Sky Obscured)

76
56
67
72
81
100
100
94
79
65
84
82
92
95
89
87
64
60
61
53
55
61
64
78

Low Clouds (% Sky Obscured)

59
35
67
49
59
51
80
70
60
62
79
81
82
90
84
72
64
58
61
53
55
61
58
59

Medium Clouds (% Sky Obscured)

63
46
59
29
32
62
64
82
33
30
7
2
46
25
13
44
0
23
0
0
0
20
45
73

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
17
29

ISS Passover

Visibility (miles)

2
7
9
9
8
7
3
6
8
9
8
8
8
4
7
7
9
9
9
9
9
9
9
8

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

58
44
25
33
51
66
75
80
62
51
59
59
62
63
65
53
40
33
28
16
19
23
26
46

Precipitation Amount (mm)

0.4
0
0
0
0.3
0.4
0.5
0.7
0.2
0
0.3
0.3
0.4
0.4
0.4
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

20
21
23
25
26
26
27
26
24
23
22
20
20
21
21
21
20
20
18
18
17
17
17
19

Chance of Frost

Temperature (°C)

6
7
7
8
8
8
7
7
6
6
6
5
5
5
5
5
5
5
5
5
5
4
5
6

Feels Like (°C)

0
0
1
1
-1
0
-2
-2
-2
-2
-3
-3
-3
-2
-2
-2
-2
-1
0
-0
0
-1
1
1

Dew Point (°C)

5
3
2
1
2
3
4
4
4
5
4
4
3
4
4
4
4
4
4
3
4
3
4
4

Relative Humidity (%)

90
79
69
62
64
73
79
84
86
90
91
91
89
91
91
91
90
91
93
91
91
89
88
84

Pressure (mb)

1006
1007
1007
1007
1007
1006
1006
1006
1006
1005
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1009

Ozone (du)

392
405
417
417
420
420
424
437
439
440
435
431
431
435
430
427
428
433
438
444
448
452
457
460

Sunday 12

Waning Crescent 20%

04:57

13:55

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:24, Set: 20:06, Transit: 13:16. Moon - Rise: 04:57, Set: 13:55. Civil Dark: 20:40 - 05:50. Nautical Dark: 21:22 - 05:07. Astro Dark: 22:09 - 04:20

Total Clouds (% Sky Obscured)

80
70
64
61
51
46
50
90
76
82
79
75
71
63
98
96
94
92
94
97
99
88
67
65

Low Clouds (% Sky Obscured)

67
70
64
61
51
46
50
57
55
64
64
65
56
58
58
58
57
55
48
44
49
55
60
63

Medium Clouds (% Sky Obscured)

80
70
64
61
48
33
35
66
56
46
48
40
44
38
56
65
83
80
87
92
96
56
16
0

High Clouds (% Sky Obscured)

21
8
3
2
1
0
0
0
0
0
0
0
0
4
45
68
2
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
6
7
9
9
9
9
9
9
9
9
9
9
7

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
Light Rain
None
None
Light Rain
Very Light Rain
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

41
38
59
49
48
62
57
53
60
46
42
38
27
17
13
20
22
27
33
35
30
32
31
34

Precipitation Amount (mm)

0
0
0.5
0
0
0.6
0.3
0.3
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

20
21
21
20
19
19
19
17
15
14
12
10
8
7
6
5
4
4
3
2
2
3
4
5

Chance of Frost

Temperature (°C)

7
7
7
8
8
8
8
8
7
7
6
5
5
4
4
4
3
3
3
3
3
3
4
6

Feels Like (°C)

1
1
1
1
2
2
3
3
2
2
1
1
1
2
2
1
1
0
0
1
1
1
3
5

Dew Point (°C)

4
3
1
-1
-2
-1
1
3
4
4
4
4
3
4
3
2
2
2
2
2
2
2
3
4

Relative Humidity (%)

82
75
62
55
52
55
61
70
77
82
86
90
89
94
93
91
93
94
93
93
94
94
91
86

Pressure (mb)

1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1010
1010
1010
1010
1010
1010
1009
1009
1009
1010

Ozone (du)

462
465
466
467
467
465
465
467
467
467
467
465
466
471
472
471
469
464
459
459
459
458
458
459

Monday 13

Waning Crescent 20%

05:11

15:13

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 OK
05 OK
06 OK
07 OK
08 OK
09 Good

Sun - Rise: 06:22, Set: 20:07, Transit: 13:16. Moon - Rise: 05:11, Set: 15:13. Civil Dark: 20:42 - 05:47. Nautical Dark: 21:24 - 05:05. Astro Dark: 22:11 - 04:17

Total Clouds (% Sky Obscured)

47
44
67
67
62
70
56
19
8
3
1
0
0
0
0
2
3
4
9
15
19
22
20
18

Low Clouds (% Sky Obscured)

47
44
66
64
60
60
42
19
6
3
1
0
0
0
0
0
0
0
0
0
0
6
11
15

Medium Clouds (% Sky Obscured)

0
0
0
2
0
5
21
0
0
0
0
0
0
0
0
0
0
0
4
6
8
15
20
18

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
4
4
7
11
12
13
12

ISS Passover

Visibility (miles)

8
9
9
9
9
9
6
7
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

39
47
53
44
41
41
38
34
17
4
1
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
8
9
10
11
12
13
12
11
10
8
7
5
5
5
4
4
4
4
3
3
3
2
3

Chance of Frost

Temperature (°C)

6
8
8
9
8
9
9
9
8
7
5
4
3
3
2
2
2
2
2
2
2
2
4
6

Feels Like (°C)

4
6
6
5
5
5
5
5
6
5
4
3
2
1
2
1
1
1
1
1
1
1
2
2

Dew Point (°C)

3
3
3
3
3
3
5
5
5
4
4
3
2
2
1
1
0
1
0
0
0
1
2
2

Relative Humidity (%)

81
74
69
67
67
68
74
75
79
84
91
93
93
93
93
93
91
93
91
91
91
91
83
75

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1012
1013
1014
1014
1015
1015
1016
1016
1016
1017
1017
1018
1018
1019

Ozone (du)

455
447
440
433
427
420
417
416
415
412
409
405
398
391
385
381
376
371
367
364
361
358
355
352

Tuesday 14

Waning Crescent 12%

05:24

16:33

10 OK
11 OK
12 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:20, Set: 20:09, Transit: 13:15. Moon - Rise: 05:24, Set: 16:33. Civil Dark: 20:43 - 05:45. Nautical Dark: 21:26 - 05:02. Astro Dark: 22:13 - 04:14

Total Clouds (% Sky Obscured)

27
33
44
65
83
100
99
97
95
94
96
98
95
96
93
92
97
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

18
21
28
32
28
24
22
20
16
29
44
61
72
83
93
92
97
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

27
33
44
64
71
72
75
74
78
78
77
75
64
57
43
42
41
43
39
40
35
41
55
73

High Clouds (% Sky Obscured)

27
33
44
65
83
100
75
50
25
24
23
25
42
62
82
71
61
50
65
79
93
68
38
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
0
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
2
0
3
4
2
13
13
22
37
47
60

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3

Wind Speed/Direction (mph)

5
7
9
12
12
12
12
11
10
9
9
9
9
9
10
10
11
11
12
12
12
13
14
15

Chance of Frost

Temperature (°C)

8
9
9
10
10
10
10
9
9
8
8
8
8
8
8
8
9
9
9
9
9
9
10
11

Feels Like (°C)

3
3
4
5
10
9
8
8
8
7
4
4
5
5
5
5
5
5
4
4
5
4
6
6

Dew Point (°C)

3
3
3
3
3
3
3
3
3
3
3
3
4
5
5
5
6
8
8
9
9
9
10
10

Relative Humidity (%)

70
67
62
59
60
61
61
64
69
73
73
73
73
77
78
79
85
90
95
96
98
98
98
98

Pressure (mb)

1019
1019
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1019
1019
1019
1019
1019

Ozone (du)

349
347
345
343
342
341
340
339
337
335
334
334
333
336
340
343
343
344
344
344
344
344
344
344

Wednesday 15

Waning Crescent 6%

05:38

17:54

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:18, Set: 20:10, Transit: 13:15. Moon - Rise: 05:38, Set: 17:54. Civil Dark: 20:45 - 05:43. Nautical Dark: 21:28 - 05:00. Astro Dark: 22:16 - 04:11

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
96
93
91
90
89
86
87
88
88
91
96
100
97
97
98

Low Clouds (% Sky Obscured)

99
98
98
98
99
100
96
93
89
88
87
86
84
83
82
83
83
85
83
82
80

Medium Clouds (% Sky Obscured)

75
77
79
80
78
79
54
27
1
1
0
0
0
0
0
0
0
0
1
1
2

High Clouds (% Sky Obscured)

9
10
15
10
5
0
0
1
3
7
9
9
7
6
4
35
67
99
76
59
40

ISS Passover

Visibility (miles)

0
0
0
0
2
4
6
7
8
9
9
9
9
9
9
9
8
7
6
7
8

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

63
68
83
95
95
95
83
63
42
29
17
1
1
2
4
3
1
1
4
5
5

Precipitation Amount (mm)

0.3
0.3
0.6
0.9
1.5
3.1
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
16
16
16
16
17
17
16
15
13
12
11
10
9
8
8
8
8
8
8
8

Chance of Frost

Temperature (°C)

11
11
11
10
11
11
11
11
11
10
10
9
9
9
8
8
8
8
8
8
8

Feels Like (°C)

7
7
6
7
7
7
7
8
7
7
6
6
6
6
6
5
4
5
5
5
5

Dew Point (°C)

11
11
10
10
11
11
11
10
10
10
9
9
8
8
8
7
7
8
7
7
7

Relative Humidity (%)

98
98
98
98
98
96
96
95
93
95
95
96
96
96
96
95
95
96
95
95
95

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

344
344
344
344
344
345
345
346
347
347
349
352
354
355
357
358
357
356
356
355
354

Forecast for Postbridge, Devon, United Kingdom (50.59,-3.91)

Generated: 09/04/26 10:33:30. Forecast: 09/04/26 to 15/04/26. Timezone: UTC+1.00